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Abstract

ARNOLD, F. Utilization of proved sires and sons of proved sires: 578-579. At present only about 1 sire out of 8 is alive when proved and worthy of further use. There is little chance of increasing the use of proved sires except through their sons, or through programmes designed to prove bulls at an ...

Citation
Journal of Dairy Science, 1940, 23, pp 473-586
Abstract

Dairy Cattle: skeletal growth; optimum time in oestrous cycle for service; effect of wheat germ oil on conception rate; artificial insemination technique. Pig: development of 6 inbred lines continued at North Platte Substation. Rodents: relation of pituitary hormones to lactation.

Publisher
Lincoln: Agricultural Experiment Station of the University of Nebraska College of Agriculture.,
Citation
Fifty-fourth Annual Report of the Agricultural Experiment Station., 1941, pp 78 pp.
Abstract

Rollinson discussed the literature, with some 140 references. Attention is drawn to the similarity between sexual excitement and other physiological reactions (anger, fear, pain, epilepsy). All five states have the following in common-diminished sensory perception, dilatation of the pupils,...

Author(s)
Smith, J.
Publisher
Comm. for Technical Cooperation in Africa South of the Sahara, Publ. Bureau, London, UK
Citation
Bulletin of epizootic diseases of Africa, 1962, pp 209-217
Abstract

This volume has been prepared, according to Dr. McDonald's preface, with the needs of the harassed veterinary student very much in mind. The author, with the assistance of three contributors, has therefore aimed at providing a concise and practical description of endocrinology and reproduction in...

Author(s)
McDONALD, L. E.
Publisher
Philadelphia: Lea & Febiger.,
Citation
Veterinary endocrinology and reproduction., 1969, pp xv+460 pp.
Abstract

One aim of this study was to compare the reproductive performance of cows and heifers when resynchronizing returns to oestrus for a second insemination by treating with an intravaginal progesterone-releasing device (IVD) for 7 or 8 d when estradiol benzoate (EB) was administered at the start of...

Author(s)
Cavalieri, J.; Hepworth, G.; Smart, V. M.; Ryan, M.; Macmillan, K. L.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2007, 67, 4, pp 824-834
AbstractFull Text

The has been no report published on the economical losses associated with errors in oestrus detection in cows under Iranian intensive dairy management. The study was conducted to determine the accuracy of oestrus detection by farmers using artificial insemination in Shiraz dairy farms. Milk samples ...

Author(s)
Kafi, M.; Zibaei, M.; Rahbari, A.
Publisher
Shiraz University Press, Shiraz, Iran
Citation
Iranian Journal of Veterinary Research, 2007, 8, 2, pp 131-137
AbstractFull Text

Author(s)
Fricke, P. M.
Publisher
The North American Veterinary Conference, Gainesville, USA
Citation
Large animal. Proceedings of the North American Veterinary Conference, Volume 21, Orlando, Florida, USA, 2007, 2007, pp 30-36
AbstractFull Text

The objective of this study was to analyse the influence of stage of lactation and parity(number of lactations) on success of the artificial insemination in Holstein-Fresian dairy cows. Complete lactation records were obtained from Dairy Record System of the dairy farm of Agricultural Research and...

Author(s)
Găvan, C.; Motorga, V.
Publisher
Faculty of Agriculture, University of Craiova, Craiova, Romania
Citation
Annals of the University of Craiova - Agriculture, Montanology, Cadastre Series, 2014, 44, 1, pp 297-300
Abstract

The objective of this study was to evaluate the conception rate of crossbred heifers (n=50) and cows (n=50) inseminated with sexed and conventional semen between 18 and 24 hours after estrous detection. The synchronization protocol of the estrous cycle started on day zero (D0) by inserting the...

Author(s)
Peres, A. R.; Ifran, A. M.; Lima, M. R. de; Rossi, G. F.; Corrêa, R. R.; Garcia, J. M.
Publisher
Faculdade de Veterinaria, Universidade Federal Fluminense, Niterói, Brazil
Citation
Revista Brasileira de Ciência Veterinária, 2016, 23, 3/4, pp 186-190

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